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FOC | Family List | FOC Vol. 2-3 | Polypodiaceae | Phymatosorus

1. Phymatosorus cuspidatus (D. Don) Pichi Sermolli, Webbia. 31: 249. 1977.

光亮瘤蕨 guang liang liu jue

Polypodium cuspidatum D. Don, Prodr. Fl. Nepal. 2. Jan-Feb 1825; Microsorum cuspidatum (D. Don) Tagawa; M. lucidum Copeland; Phymatodes cuspidata (D. Don) J. Smith; P. lucida Ching; Phymatosorus lucidus Pichi Sermolli; Polypodium lucidum Roxburgh (1844), not Richard (1792).

Rhizome pale green, 10-20 mm in diam., sparsely scaly; scales dark brown at center, paler toward margin, orbicular, peltate, clathrate, entire. Stipe straw-colored, 30-50 cm, glabrous except for scaly base. Lamina imparipinnate, 30-50 × 20-25 cm; rachis terete; lateral pinnae 8-15 pairs, ± ascending, linear-lanceolate, 15-20(-25) × 2-3.5 cm, herbaceous or leathery, both surfaces glabrous; base cuneate with 5-10 mm stalk, margin entire, apex acuminate to attenuate; midrib raised on both surfaces, straw-colored; veinlets obscure. Sori orbicular, in 1 row on each side of costa, medial, nearly superficial. Spore surface with minute spheres.

Epiphytic or epilithic on dry sandstone rocks or on tree trunks; 200-1600 m. Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Xizang, Yunnan [India, Laos, Myanmar, Nepal, Thailand, Vietnam].

Phymatodes cuspidata monstr. dichotoma H. G. Zhou & H. Li (Guihaia 11: 42. 1991) is based on a form with abnormal fronds.


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